Home / 1,896,889.82-2,617,776.08-1,081,216.58

Finding the Fourth Proportional to 1,896,889.82, 2,617,776.08 and 1,081,216.58

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Solution

The fourth proportional to 1,896,889.82, 2,617,776.08 and 1,081,216.58 is: 1,492,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,889.82 : 2,617,776.08 = 1,081,216.58 : x
  2. Step 2: Convert to fraction form
    1,896,889.82/2,617,776.08 = 1,081,216.58/x
  3. Step 3: Cross multiply
    1,896,889.82x = 2,617,776.08 × 1,081,216.58
  4. Step 4: Simplify right side
    1,896,889.82x = 2,830,382,900,423.41
  5. Step 5: Solve for x
    x = 2,830,382,900,423.41/1,896,889.82
  6. Step 6: Final answer
    x = 1,492,117.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.